Modal verbs are used to express various degrees of certainty, ability, obligation, advice, and possibility. They can also be employed to make formal requests or instructions. For instance, "
This forms are between a obligation and a recomendation
Forbidding
absence of obligation
personal obliagation, subjetive
external obligation
We are sure about something and we have reasons for our belief
Activity- Try to litsen the modal verbs in the history. Do click Youtube's logo.
To show that something is possible in the future,but not certain,supositions
*Can and could are auxiliar verbs use in condicionals sentences. Ex.If you didn't stay all day with me I could do moore things.
It is more formal use MAY or COULD
These verbs are diferent of the rest of the verbs They haven't got verb tenses. Ex. She can be like she wants. They can't operate without another verb. Ex. We have to go in this lane.
To give or ask for PERMISION
BE ALLOWED TO
For past tense. Ex. They were allowed to stay in this room all the afternoon
For present and future tense. Ex. You can go out. Can I go to the toilet, please?
MAY
For present and future tense.Ex. You may celebrate your birthday in this pub.
To know do something, skills
Strange verbs: MODALS VERBS
ABILITY
(NOT)BE ABLE TO
For complex tenses.Ex.I won't be able to pass the exam
COULD/COULDN'T
For past tense. Ex.They could write a letter in the forest.
For present tense. Ex. I can eat 3 hamburguer in 30 minuts.
POSSIBILITY
MIGHT(NOT)
For present, past and future tense. Ex. I might have arrived to librery, because we agree to meet inside.
MAY(NOT)
For present, past and future tense. Ex. She may not be upseteps, I don't know...
CAN/CAN'T
For present, past and future tense. (General statements) Ex. Snow can fall tonight.
COULD/COULDN´T
For present, past and future tense. Ex. Marta could't be who stay there.
EXPECTATIVE
SHOULD/SHOULD'T
For present,past an ¡d future time.Ex.The book ought to be in your house.
OUGHT TO (with out negative form)
For present,past an ¡d future time. Ex.I shoud fell the same but...
CERTAIN
CAN'T
For present only in negative form. Ex. You can't run, yours legs are broken.
For present and past in affirmative. Ex. My friend has to know it, so you can say whatever you want.
For present and past in affirmative. Ex. Jorge must be his brother because they show equal.
OBLIGATION
HAVE TO
For present, past and future tense.Ex Have I drive to the right or to the left?
DON'T HAVE TO
sHOULD(without negative form)
For present and future. Ex. We should play tomorrow the mach.
BE (NOT) SUPPOSED TO
For present,past and future. Ex. Alba and me are not supposed go to the school because we are ill.
For present and future tense.Ex. Everyone must give some money to cover the costs
NOT ALLOWED TO
MUST NOT
ADVICE, RECOMENDATION
HAD BETTER (NOT)
For present, past and future. Ex. Sara had better go to the exam.
For present tense. Ex. You must be happy.
OUGHT (NOT) TO
For present, past and future tense. Ex. You ought to live slower.
SHOULD(NOT)
For present, past and future tense. Ex. Should I ask him his name ?
COULD (without negative form)
For past and future tense. Ex.You could put your homework on the fridge because Acher eat all.
INSTRUCTION,REQUEST
WOULD
Ex. Would they wait in my house ?
COULD
Ex. Could you take milk and eggs?Then mix it.
OFFERS
SHALL
For interrogatives.Ex. Shall I write you writing?
CAN
For present. Ex.I can help you with everything
COULD/WILL/
For past/future. Ex. We can cook for everyone.
NECESSITY
(DO/DID/WILL NOT)HAVE TO
For present, past and future. Ex. Did I have harvest wheat?
NEED /NEEDN'T
For present. Ex. We need study more.
PROBABILITY
SHOULD
For present. Ex. Lisen Mary, she should know.
MUST
For present. Ex.You haven't slept. You must be tired
